Home / 146,628,747.20-220,178,128.80-116,586,430.40

Finding the Fourth Proportional to 146,628,747.20, 220,178,128.80 and 116,586,430.40

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Solution

The fourth proportional to 146,628,747.20, 220,178,128.80 and 116,586,430.40 is: 175,066,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,628,747.20 : 220,178,128.80 = 116,586,430.40 : x
  2. Step 2: Convert to fraction form
    146,628,747.20/220,178,128.80 = 116,586,430.40/x
  3. Step 3: Cross multiply
    146,628,747.20x = 220,178,128.80 × 116,586,430.40
  4. Step 4: Simplify right side
    146,628,747.20x = 25,669,782,088,943,440
  5. Step 5: Solve for x
    x = 25,669,782,088,943,440/146,628,747.20
  6. Step 6: Final answer
    x = 175,066,503.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.